Pith Number

pith:NTN5BL3N

pith:2014:NTN5BL3N7EVCJCW4PRPUSKP225

not attested not anchored not stored refs pending

Divisibility of great webs and reducible Dehn surgery

Nicholas Zufelt

arxiv:1410.3442 v1 · 2014-10-13 · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTN5BL3N7EVCJCW4PRPUSKP225}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:40:11.299890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cdbd0af6df92a248adc7c5f4929fad764297949ad4f230261363386547253ef

Aliases

arxiv: 1410.3442 · arxiv_version: 1410.3442v1 · doi: 10.48550/arxiv.1410.3442 · pith_short_12: NTN5BL3N7EVC · pith_short_16: NTN5BL3N7EVCJCW4 · pith_short_8: NTN5BL3N

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NTN5BL3N7EVCJCW4PRPUSKP225 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6cdbd0af6df92a248adc7c5f4929fad764297949ad4f230261363386547253ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2811b1226b21f77e2b7679c55748d0c96972de793cf80df2935fc0fc581eb157",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-10-13T19:15:06Z",
    "title_canon_sha256": "071554fc96a26ff6ad525426f073551ef5346d26b8cbb17089520d2d25d23531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3442",
    "kind": "arxiv",
    "version": 1
  }
}